According to NASA, a supermoon is a full moon that is at its closest point to Earth in its orbit. Called a blue moon, the phenomenon is said to happen every two and a half years on average. “With the total eclipse, it’ll be a royal spectacle indeed: a ‘super blue blood’ Moon,” stated the organization on its website, explaining that the Moon will lose its brightness and take on an eerie, fainter-than-normal glow, giving it the name "blood moon." Featuring a total lunar eclipse, the supermoon is viewable from western North America across the Pacific to Eastern Asia. “The lunar eclipse on January 31 will be visible during moonset.

Source: The Nation Bangkok January 03, 2018 06:45 UTC